{"product_id":"schumann-wave-generator-pure-sine-frequency-signal-generator","title":"Schumann Wave Generator 0.01Hz–100KHz Pure Sine Signal","description":"\n\u003ch2\u003eEtmakit Schumann Wave Generator | Pure Sine Frequency Modulation Signal Generator\u003c\/h2\u003e\n\u003cp\u003eExperience the calming resonance of Earth's natural electromagnetic frequency with the \u003cstrong\u003eEtmakit Schumann Wave Generator\u003c\/strong\u003e. This professional-grade, ultra-low frequency signal generator outputs a pure sine wave defaulting to the iconic \u003cstrong\u003e7.83Hz Schumann resonance frequency\u003c\/strong\u003e — the same natural frequency found in Earth's electromagnetic field. Whether you're setting up a home sanctuary, a meditation studio, a sleep-friendly bedroom, or a laboratory workbench, this compact and highly integrated device covers a remarkably wide frequency range of \u003cstrong\u003e0.1Hz to 100,000Hz\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eWith its digital circuit design, transparent acrylic housing, and simple button interface, this generator is equally suited for electronics hobbyists, wellness enthusiasts, and professional researchers. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Wide Frequency Range:\u003c\/strong\u003e Adjustable from 0.1Hz all the way to 100,000Hz — flexible enough for a wide variety of application scenarios including DIY electronics, studio setups, and research use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7.83Hz Schumann Resonance Default:\u003c\/strong\u003e Pre-set to simulate Earth's natural electromagnetic resonance frequency, widely used in relaxation and sleep-enhancement environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePure Sine Wave Output:\u003c\/strong\u003e Clean, stable sine wave output through the antenna — ideal for precision applications and interference-sensitive settings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHighly Integrated Digital Design:\u003c\/strong\u003e Digital circuit architecture replaces analog components, delivering improved anti-interference capability and superior system stability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple Button Operation:\u003c\/strong\u003e Intuitive controls mean even first-time users can get started with ease — no complex setup required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePortable \u0026amp; Durable Build:\u003c\/strong\u003e High-transparency acrylic shell is both aesthetically appealing and robust. Compact footprint makes it easy to place on a desk, nightstand, or pack for travel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMicro USB Powered:\u003c\/strong\u003e 5V \/ 0.5W — works with any standard USB charger or power bank (not included).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets CE safety and EMC standards for confidence in your electronics setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eWaveform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePure Sine Wave\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMicro USB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eRated Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e0.5W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDefault Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e7.83Hz (Schumann Resonance)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e0.1Hz – 100,000Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eShell Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eHigh-Transparency Acrylic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f4f4f4;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Schumann Wave Generator Module (with optional acrylic shell configuration)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHome relaxation and sleep-conducive environments\u003c\/li\u003e\n  \u003cli\u003eMeditation rooms and wellness studios\u003c\/li\u003e\n  \u003cli\u003eElectronics labs and DIY signal testing\u003c\/li\u003e\n  \u003cli\u003eTravel (compact, USB-powered)\u003c\/li\u003e\n  \u003cli\u003eAudio\/music production studios\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003ePlease note: Actual color may vary slightly from product images due to lighting conditions. Allow 1–3cm variance due to manual measurement.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-relay-module-dc-3-3v-24v-optocoupler-arduino\"\u003e1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/0-25mm-1000-turn-precision-copper-inductor-coil-diy-electronics\"\u003e0.25mm 1000-Turn Precision Copper Inductor Coil for DIY Circuits\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/038-inch-1280x720p-micro-display-diy-hdmi-driver-board-kit\"\u003e0.38\" 1280x720P Micro Display DIY Kit with HDMI Driver Board\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on electromagnetic frequencies and their scientific background, visit the \u003ca href=\"https:\/\/www.nasa.gov\/science-research\/earth-science\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNASA Earth Science Research page\u003c\/a\u003e. For guidance on electronic device safety standards, refer to the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the default frequency of the Schumann Wave Generator?\u003c\/h4\u003e\n\u003cp\u003eA: The generator is pre-set to output at 7.83Hz, which corresponds to the Earth's natural Schumann resonance frequency. This is widely used in relaxation and sleep-conducive space setups. You can adjust the frequency anywhere from 0.1Hz to 100,000Hz using the button controls.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the Schumann Wave Generator need batteries?\u003c\/h4\u003e\n\u003cp\u003eA: No batteries are required. The device is powered via a standard Micro USB cable at 5V DC with a rated power consumption of just 0.5W — making it compatible with most USB wall adapters or power banks (sold separately).\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this signal generator be used for DIY electronics and lab work?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. With a frequency range of 0.1Hz to 100,000Hz and a pure sine wave output, this generator is well-suited for laboratory testing, electronics prototyping, audio studio applications, and various DIY electrical projects in addition to its home and wellness uses.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the acrylic shell included, or is the module sold bare?\u003c\/h4\u003e\n\u003cp\u003eA: The product is available with or without the acrylic shell — this is an optional configuration at the time of purchase. The high-transparency acrylic shell provides a clean, modern look and protects the internal components.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the default frequency of the Schumann Wave Generator?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The generator is pre-set to output at 7.83Hz, which corresponds to the Earth's natural Schumann resonance frequency. This is widely used in relaxation and sleep-conducive space setups. You can adjust the frequency anywhere from 0.1Hz to 100,000Hz using the button controls.\"}}, {\"@type\": \"Question\", \"name\": \"Does the Schumann Wave Generator need batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No batteries are required. 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